The antioxidant typically found in green tea is called EGCG short for Epigallocatechin Gallate. When caffeine and green tea extracts are combined, the effect on weight loss is small. The United States Pharmacopeia is a nonprofit organization that sets standards for dietary supplements. These standards are enforced by the Food and Drug Administration. According to the United States Pharmacopeia, Green tea extracts have been probable causes in seven cases and a possible 27 other cases of liver damage. When these supplements are taken on an empty stomach, the outcomes can be fatal (Schardt, 2012, p. 8-9).
The drug glucomannan is known for reducing the amount of body fat in a person without changing their lifestyle. Glucomannan is a fiber and a main ingredient found in dietary supplements like Lipozene. It is also added to common foods like tofu, noodles, and konjac jelly. The drug works by swelling in the stomach wall and making a person feel full. The drug can swell, causing choking or blocking of the throat, esophagus, or intestines. To prevent this, it is advised to take glucomannan products with at least eight ounces of water or other fluid. It is also advised not to take them before bed (Schardt, 2012, p.